MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c3e50b5ecc9f99835a1853f8b132f67eaed21aa612a09fc7b5b016b8a808ca21. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


Formbook


Vendor detections: 12


Intelligence 12 IOCs YARA 4 File information Comments
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SHA256 hash: c3e50b5ecc9f99835a1853f8b132f67eaed21aa612a09fc7b5b016b8a808ca21
SHA3-384 hash: 8929b5673451db8c98439fa2a0cebd49b17bb08ff91cdd7a11df5e6c1274d3a3c887ac4126bea14c7b13a10c5a2130ba
SHA1 hash: f51b69cd80a264c534a1bf6d4f64207341170351
MD5 hash: 84f25a78fb29ed97c5c173e4f602767c
humanhash: edward-twelve-colorado-timing
File name:SecuriteInfo.com.Variant.Barys.332805.20390.14956
Download: download sample
Signature Formbook
Create hunting rule
File size:463'872 bytes
First seen:2022-09-23 04:05:58 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 12288:smbL2O88bDQZkMNkykIN/3ilWa66MIWm:HbMptV5
TLSH T174A491D8698AD04ECA3E4C34CE98CFD26303A912011F757A6CFE2295552CDA7D9C93DE
TrID 63.5% (.EXE) Win64 Executable (generic) (10523/12/4)
12.2% (.EXE) OS/2 Executable (generic) (2029/13)
12.0% (.EXE) Generic Win/DOS Executable (2002/3)
12.0% (.EXE) DOS Executable Generic (2000/1)
File icon (PE):PE icon
dhash icon f0f4e06969e8ccf0 (5 x Formbook, 1 x CobianRAT, 1 x VectorStealer)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
310
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/312478/
Detection(s):
SecuriteInfo.com.Variant.Barys.332805.20390.14956.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Creating a file
Сreating synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Modifying a system executable file
Searching for the window
Creating a window
Changing a file
Searching for synchronization primitives
Forced shutdown of a system process
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/632d30afe64c53f047ff250c/reports/82ca2574-053b-4b5c-abd7-4df0bee250aa/overview
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/8857c788-3cb5-4ce3-9d37-ab4739c632ff
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1075655
Signature
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Drops PE files with benign system names
Injects a PE file into a foreign processes
Injects code into the Windows Explorer (explorer.exe)
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 708197 Sample: SecuriteInfo.com.Variant.Ba... Startdate: 23/09/2022 Architecture: WINDOWS Score: 100 36 Malicious sample detected (through community Yara rule) 2->36 38 Antivirus detection for URL or domain 2->38 40 Multi AV Scanner detection for dropped file 2->40 42 5 other signatures 2->42 9 SecuriteInfo.com.Variant.Barys.332805.20390.14956.exe 5 2->9         started        process3 file4 26 C:\Users\user\AppData\Roaming\svchost.exe, PE32+ 9->26 dropped 28 C:\Users\user\AppData\Roaming\file.exe, PE32+ 9->28 dropped 30 C:\Users\user\...\svchost.exe:Zone.Identifier, ASCII 9->30 dropped 32 2 other malicious files 9->32 dropped 48 Injects code into the Windows Explorer (explorer.exe) 9->48 50 Writes to foreign memory regions 9->50 52 Allocates memory in foreign processes 9->52 54 2 other signatures 9->54 13 explorer.exe 9->13         started        signatures5 process6 signatures7 56 Modifies the context of a thread in another process (thread injection) 13->56 58 Maps a DLL or memory area into another process 13->58 60 Sample uses process hollowing technique 13->60 62 Queues an APC in another process (thread injection) 13->62 16 explorer.exe 13->16 injected process8 process9 18 help.exe 16->18         started        22 WerFault.exe 10 16->22         started        dnsIp10 34 192.168.2.1 unknown unknown 18->34 44 Modifies the context of a thread in another process (thread injection) 18->44 46 Maps a DLL or memory area into another process 18->46 24 explorer.exe 2 157 18->24         started        signatures11 process12
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/c3e50b5ecc9f99835a1853f8b132f67eaed21aa612a09fc7b5b016b8a808ca21/
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Create hunting rule
Status:
Malicious
First seen:
2022-09-23 01:16:14 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
17
AV detection:
16 of 40 (40.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ypsqwxwmt6mygwqykp4lcmxwp2xnegvgckqj7r5vwallrkaiziqq._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:8r3b persistence rat spyware stealer trojan
Link:
https://tria.ge/reports/220923-en37qshacq/
Behaviour
Checks SCSI registry key(s)
Enumerates system info in registry
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Enumerates connected drives
Modifies Installed Components in the registry
Core1 .NET packer
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/d4af9d88-1182-4c82-ab20-1676ed28be28
Unpacked files
SH256 hash:
c3e50b5ecc9f99835a1853f8b132f67eaed21aa612a09fc7b5b016b8a808ca21
MD5 hash:
84f25a78fb29ed97c5c173e4f602767c
SHA1 hash:
f51b69cd80a264c534a1bf6d4f64207341170351
Link:
https://www.unpac.me/results/d45c7aee-fee2-4332-b2a8-91455cb9599d/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/c3e50b5ecc9f/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.76
Link:
https://yomi.yoroi.company/submissions/c3e50b5ecc9f99835a1853f8b132f67eaed21aa612a09fc7b5b016b8a808ca21

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:RansomwareTest4
Create hunting rule
Author:Daoyuan Wu
Description:Test Ransomware YARA rules
Rule name:RansomwareTest5
Create hunting rule
Author:Daoyuan Wu
Description:Test Ransomware YARA rules
Rule name:RansomwareTest7
Create hunting rule
Author:Daoyuan Wu
Description:Test Ransomware YARA rules

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Cape
Cape
https://www.capesandbox.com/analysis/312478/

Comments